(3eYLe ESHGfj YQHj h YQHj CSHGfj (B: s (3GdeUWdMGJ GdEbJUGOjI h GdeGdjI h GdJLGQjI (B/ s - (3eQJfjK, aQfGfOh HdOjQGeGs ((3eOQjO (B:s (3GdeYgO GdESHGfj GdYQHj ddKbGaI,s, 1986)
Keywords: (3GddZI GdESHGfjIs; (3eYGLe GdeUWdMGJs; (3GddZI GdYQHjIs